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Stanley BC209 Battery Maintainer

by Stanley
4 out of 5 stars 332 customer reviews
| 22 answered questions
List Price: $29.95
Price: $19.97 & FREE Shipping on orders over $49. Details
You Save: $9.98 (33%)
In Stock.
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Ships from and sold by Amazon.com. Gift-wrap available.
1.5 Amp
  • Enter your model number above to make sure this fits.
  • High frequency automatic battery charger/maintainer
  • Magnetic back for easy mounting
  • Foldable hanging hook and dual mounting bracket for easy temporary or permenant installation
  • Rubber covered metal battery clamps
  • O-rings and DC plug
› See more product details
8 new from $19.97
Special Shipping Information: This product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states.

$19.97 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Stanley BC209 Battery Maintainer
  • +
  • Black & Decker BM3B 6V and 12V Battery Charger / Maintainer
Total price: $39.85
Buy the selected items together

Product Information

Size:1.5 Amp

Technical Details

Brand Stanley
Model BC209
Item Weight 1 pounds
Product Dimensions 3 x 1.6 x 6 inches
Origin China
Item model number BC209
Manufacturer Part Number BC209
Folding No

Technical Specification

User Manual [pdf ]

Additional Information

ASIN B005Q4OA6A
Customer Reviews
4 out of 5 stars 332 customer reviews

4 out of 5 stars
Best Sellers Rank #32,908 in Automotive (See top 100)
#159 in Automotive > Tools & Equipment > Jump Starters, Battery Chargers & Portable Power > Battery Chargers
#519 in Automotive > Replacement Parts > Batteries & Accessories
Shipping Weight 1.6 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available February 25, 2009

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers
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Customer Reviews

Top Customer Reviews

2.0 out of 5 starsOK, but same fan problem as B&D and Vector chargers.
By Video Nutt on October 19, 2012
Size: 40 Amp Verified Purchase
The charger works well enough but it appears to be manufactured by the same Chinese company that manufactures the smart chargers for Black & Decker and Vector, and it has the same problem that the other brands have... a VERY cheap sleeve bearing fan! The fan on these chargers is critically important. If it fails, the charger will overheat and it WILL burn out. I had a Vector do this a few years ago and then a Black & Decker do it a couple of months ago. The very first time that I used this brand new Stanley, the fan started making the dreaded "grinding noise of death". Unbelievable! I am NOT going to pay to ship it back. I can buy a quality 60mm x 20mm dual ball bearing 12v fan for under $10, take the charger apart, and replace the cheap junk fan. For the life of me I can't figure out why the manufacturer can't spend $2 more on a quality fan given the fact that it is so critically important to the charger's survival. This is fairly typical of much of the cheap Chinese crap that is being sold these days. The problem is that there aren't ANY alternatives available anymore, virtually EVERYTHING is made in China and virtually EVERYTHING made in China is built cheap to sell cheap!

UPDATE: After replacing the low quality fan, all is well with this charger. I actually liked the Black & Decker version of this smart charger better, I wish I could have caught the bad fan and replaced it before it burned-out. The problems with this charger are that it won't charge a completely dead battery and it doesn't catch a bad battery as often (shorted cell or sulfated and won't take a charge), both of which the Black & Decker WOULD do. If the battery you want to charge is completely dead, you will have to charge it for a while with a conventional non-smart charger to put a small charge in it before you can use this charger.
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4.0 out of 5 starsMy Odyssey agm's love it
By Ionic on July 8, 2013
Size: 15 Amp
I got the BC1509 a few months back for my Odyssey PC1200 (and lower capacity models) and it works great. I primarily use it for non-vehicle use and it is charged with no parasitic drain loading it down. I did not test the alternator-check, pulse-conditioning or jump-start functions. It also is great for my Optimas.

I found that it charged my agm up to about 14.75 volts as measured on a Fluke 87V multimeter in absorb at 15.2 amps as indicated on the display. Then current further tapered off and switched to float charge ending at about 3amps per the display at 13.55 volts. This seems to fall inline with Odyssey specifications, although this charger is not on their officially approved list. I'm not sure if it has full-time temperature compensation, although some form of temp-comp may kick in during extremes.

Like most automobile chargers, it will get to about 95% charge, and expect the alternator to do the final finish if necessary. In my case, I switch over to a Stanley BC209 (or the beefier 6a BC6809) charger/maintainer to do the final top-off if I have the time.

UPDATE ON FLOAT: I was finally patient enough to track the float charge, and no longer need the maintainers to finish the job. Many chargers drop to float too soon, and the 3a change to float left me initially a little disappointed. Once it drops into float "FLO" on the display, the fans will eventually spin down and the unit will maintain at 13.55 volts. About every 45 minutes, the fan will come back on for 10 seconds and then spin down again. After about 6 hours, I noticed that the voltage had jumped up to an even 13.60 volts. (on the multimeter, not on the charger display.)

But did it finish the job in float after 6 hours? YES.Read more ›
Comment 26 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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1.0 out of 5 starsDisappointing failure
By JNB on August 22, 2012
Size: Multi-Vehicle Verified Purchase
I have a Club Car golf cart and wanted a backup battery charger for it in case the original charger had any problems. The fact that the GBCPRO is advertised as being able to charge golf carts as well as other lower voltage applications including common 12v batteries, I ordered one.

The package arrived in good condition. I unpacked the GBCPRO and was immediately impressed with the different adapter plugs and leads that came with it. I read through the manual then decided to charge a deep cycle 12v marine battery I have. The battery charged fine in about 8 hours and the GBCPRO switched to maintenance mode as the manual stated. So far so good.

The problems started when I tried charging my 48v Club Car golf cart. I installed the three prong round adapter plug appropriate for the Club Car's charge receptacle, plugged in the power cord for the GBCPRO, then plugged the charge cord into the golf cart. The GBCPRO successfully detected the 48v battery system in the cart, I switched the charger to wet cell mode, then pressed the charge button. After about 20 seconds the GBCPRO indicated the golf cart had a full charge which I know it did not. I double-checked the golf cart's batteries with my Fluke digital multimeter and the batteries were only at 45v. I tried several more times with the same results. When I used the voltage button on the GBCPRO, it said my golf cart batteries were at 56.5v which they were not.

I then tried the ring terminal adapter cable to connect the GBCPRO directly to the golf cart batteries without using the round golf cart plug adapter. The GBCPRO did detetct the 48v battery system, charged for about 30 minutes, then indicated a full charge. However the cart's batteries were still only at 45v.Read more ›
19 Comments 56 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Most Recent Customer Reviews

4.0 out of 5 starsGood Charger for More Than 12v Systems

This works as you'd expect - variable charging voltages, I use it for 24v system on a Snowcat and it's near perfect. Read more

Published 3 hours ago by Amazon Customer
5.0 out of 5 starsFive Stars

Prompt shipment of quality product.

Published 10 days ago by Kenneth W. Von Thaden
5.0 out of 5 starsGood all around charger but Stanley needs to bring back the larger 40...

We use this charger in our boat repair business and it been good to use so far. It is simple to use for my wife she does not have to worry about picking the correct battery type... Read more

Published 10 days ago by James P.
1.0 out of 5 starsDied in 3 months. Disappointing.

Purchased December 15, 2015 it died today March 17, 2016. Three months is not a very long life. I have another one of these and it is still working. Read more

Published 19 days ago by Robert Redman
1.0 out of 5 starsDon't waste your $

This lovely trickle charger ceased operating properly at some point this past winter. It didn't even last one winter. Read more

Published 20 days ago by Ko
5.0 out of 5 starsGet a charge out of this

Excellent product

Published 22 days ago by D. DeCoster
4.0 out of 5 starsFour Stars

works great on all batteries

Published 22 days ago by Richard W.
1.0 out of 5 starsOne Star

Not even a star for bad product.. not happy

Published 26 days ago by AHMAD
5.0 out of 5 starsFive Stars

Works wonderfully

Published 27 days ago by Mrs Ragan
5.0 out of 5 starsA must needed accessory in the shop

Thank goodness I found this on Amazon. I have had one for several years now and wanted a couple for my lawnmower and ATV, our local stores quit carrying them. Read more

Published 1 month ago by Jackie Benton

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